It is essential that you ____on time.A.be B.are C .were D.being
问题描述:
It is essential that you ____on time.A.be B.are C .were D.being
答
A.be 为正确选项.
It is essential/necessary/important/vital...that从句要用虚拟语气,should+动词原形,should可以省略.
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